| 摘要 |
<p>A working fluid composition comprising (A) a refrigerant which consists essentially of difluoromethane (R-32) and (B) a lubricant comprising an ester base oil which comprises the reaction product of at least one neopentyl polyol and at least one aliphatic carboxylic acid or an esterifiable derivative thereof. A heat transfer device which contains the working fluid composition is also claimed.</p> |
